Statistical summary of water-quality data collected from selected wells and springs in the Edwards Aquifer near San Antonio, Texas

Statistical summaries of available water-quality data collected from 90 wells and 3 springs in the Edwards aquifer near San Antonio, Texas, are presented. The statistical summaries provide information on the range in values for each water-quality constituent as well as the mean value, the standard deviation about the mean; and for those constituents with five or more analyses, the percentage of observations in which values were equal to or less than the specified values are presented.